Home / 20,853,697.60-31,282,879.20-6,476,651.20

Finding the Fourth Proportional to 20,853,697.60, 31,282,879.20 and 6,476,651.20

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Solution

The fourth proportional to 20,853,697.60, 31,282,879.20 and 6,476,651.20 is: 9,715,701.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,853,697.60 : 31,282,879.20 = 6,476,651.20 : x
  2. Step 2: Convert to fraction form
    20,853,697.60/31,282,879.20 = 6,476,651.20/x
  3. Step 3: Cross multiply
    20,853,697.60x = 31,282,879.20 × 6,476,651.20
  4. Step 4: Simplify right side
    20,853,697.60x = 202,608,297,110,135.03
  5. Step 5: Solve for x
    x = 202,608,297,110,135.03/20,853,697.60
  6. Step 6: Final answer
    x = 9,715,701.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.